test-setup.js

import 'core-js/es6/map';
import 'core-js/es6/set';
import 'raf/polyfill';

import Enzyme from 'enzyme';
import Adapter from 'enzyme-adapter-react-16';

Enzyme.configure({ adapter: new Adapter() });
window.matchMedia = window.matchMedia || function() {
    return {
        matches : false,
        addListener : function() {},
        removeListener: function() {}
    };
};

window.requestAnimationFrame = window.requestAnimationFrame || function(callback) {
  setTimeout(callback, 0);
};